:root{--agg-ink:#14281f;--agg-deep:#20382f;--agg-green:#327a5c;--agg-moss:#6f8e61;--agg-sand:#d7ab60;--agg-stone:#728078;--agg-soft:#f4f6f1;--agg-line:#dce4dc;--agg-muted:#627269;--agg-shadow:0 24px 70px rgba(27,55,43,.12);--agg-radius:30px}.aggregate-pro{background:linear-gradient(180deg,#f9fbf7 0,#f0f5ef 50%,#f8faf7 100%);color:var(--agg-ink)}.aggregate-pro main{overflow:hidden}.aggregate-pro h1,.aggregate-pro h2,.aggregate-pro h3{color:var(--agg-ink);letter-spacing:-.045em}.aggregate-pro .eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 12px;padding:7px 11px;border:1px solid rgba(50,122,92,.18);border-radius:999px;background:#edf7f1;color:#277052;font-size:.73rem;font-weight:900;text-transform:uppercase;letter-spacing:.1em}.aggregate-pro .btn-primary,.aggregate-pro .btn-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 20px;border-radius:999px;font-weight:900;border:1px solid transparent;cursor:pointer;transition:.18s ease}.aggregate-pro .btn-primary{background:linear-gradient(135deg,#234b3c,#327a5c 58%,#d1a251);color:#fff;box-shadow:0 14px 30px rgba(35,85,63,.25)}.aggregate-pro .btn-secondary{background:#fff;color:var(--agg-ink);border-color:var(--agg-line);box-shadow:0 8px 24px rgba(31,58,47,.07)}.aggregate-pro .btn-primary:hover,.aggregate-pro .btn-secondary:hover{transform:translateY(-2px)}.site-header .brand-logo{display:inline-flex;align-items:center}.site-header .brand-logo img{display:block;width:190px;height:auto}.header-cta{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 16px;border-radius:999px;background:linear-gradient(135deg,#234b3c,#327a5c 62%,#d1a251);color:#fff;font-weight:900;box-shadow:0 14px 30px rgba(35,85,63,.2)}
.aggregate-hero{position:relative;padding:54px 0 42px;background:radial-gradient(circle at 85% 10%,rgba(215,171,96,.2),transparent 27%),radial-gradient(circle at 13% 5%,rgba(50,122,92,.12),transparent 28%)}.aggregate-hero::after{content:"";position:absolute;inset:0;opacity:.12;pointer-events:none;background-image:repeating-radial-gradient(ellipse at 85% 45%,transparent 0 34px,rgba(38,83,63,.3) 35px 36px)}.aggregate-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(430px,.95fr);gap:48px;align-items:center}.aggregate-hero-copy h1{max-width:830px;margin:0 0 20px;font-size:clamp(2.75rem,5.2vw,5.55rem);line-height:.95;font-weight:950}.aggregate-hero-copy .lead{max-width:760px;margin:0;color:var(--agg-muted);font-size:1.12rem;line-height:1.72;font-weight:620}.lead-mobile{display:none}.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:22px;color:#74827b;font-size:.9rem}.breadcrumb a{color:#566b60}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.aggregate-trust{display:flex;gap:9px;flex-wrap:wrap;margin-top:24px}.aggregate-trust span{padding:9px 12px;border:1px solid rgba(50,122,92,.15);border-radius:999px;background:rgba(255,255,255,.78);font-size:.82rem;font-weight:850;color:#3f6251}.aggregate-visual{position:relative;padding:18px;border-radius:36px;background:linear-gradient(145deg,#172e25,#2c5847 64%,#94703a);box-shadow:0 38px 90px rgba(22,48,37,.3);color:#fff;overflow:hidden}.aggregate-visual::before{content:"";position:absolute;right:-70px;top:-85px;width:270px;height:270px;border-radius:50%;border:36px solid rgba(255,255,255,.06)}.visual-top{position:relative;display:flex;justify-content:space-between;align-items:center;padding:6px 4px 16px;color:rgba(255,255,255,.7);font-weight:800;font-size:.82rem}.visual-top b{color:#fff;letter-spacing:.08em}.terrain-card{position:relative;overflow:hidden;min-height:285px;border-radius:25px;background:#eef1e9;box-shadow:inset 0 0 0 1px rgba(255,255,255,.65)}.terrain-surface{height:64px;display:flex;align-items:flex-end;gap:8px;padding:0 18px;background:linear-gradient(180deg,#eef5eb,#dfe9d9)}.terrain-surface i{display:block;width:32%;height:20px;border-radius:55% 50% 0 0;background:#59864f}.terrain-surface i:nth-child(2){height:30px;background:#6e965d}.terrain-surface i:nth-child(3){height:16px;background:#4f7b49}.terrain-layer{display:flex;justify-content:space-between;align-items:center;height:61px;padding:0 20px;color:#fff}.terrain-layer span{font-size:.77rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.terrain-layer b{font-size:1rem}.terrain-fine{background:repeating-linear-gradient(135deg,#c5ad78 0 8px,#d2bd8d 8px 16px)}.terrain-base{height:82px;background:radial-gradient(circle,#7c8580 0 3px,transparent 4px),radial-gradient(circle at 70% 60%,#68736d 0 5px,transparent 6px),#909b94;background-size:24px 22px,34px 30px,auto}.terrain-soil{background:repeating-linear-gradient(15deg,#806643 0 9px,#71583b 9px 17px)}.terrain-marker{position:absolute;right:17px;top:74px;padding:14px 16px;border-radius:18px;background:rgba(20,40,31,.9);box-shadow:0 14px 30px rgba(0,0,0,.22)}.terrain-marker span,.terrain-marker strong{display:block}.terrain-marker span{color:rgba(255,255,255,.66);font-size:.71rem}.terrain-marker strong{margin-top:3px;color:#fff;font-size:1.45rem}.visual-stats{position:relative;display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:9px;margin-top:12px}.visual-stats>div{padding:13px;border-radius:18px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.13)}.visual-stats span{display:block;color:rgba(255,255,255,.64);font-size:.7rem}.visual-stats strong{display:block;margin-top:4px;color:#fff;font-size:1.08rem}
.anchor-nav{position:relative;z-index:10;border-top:1px solid rgba(210,222,213,.75);border-bottom:1px solid rgba(210,222,213,.82);background:rgba(249,251,248,.92);backdrop-filter:blur(13px)}.anchor-scroll{display:flex;gap:9px;overflow-x:auto;padding-top:13px;padding-bottom:13px;scrollbar-width:none}.anchor-scroll a{flex:0 0 auto;padding:9px 14px;border:1px solid var(--agg-line);border-radius:999px;background:#fff;color:var(--agg-ink);font-size:.84rem;font-weight:850;box-shadow:0 6px 16px rgba(28,54,43,.05)}
.aggregate-work{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);gap:26px;align-items:start;padding-top:44px;padding-bottom:38px}.aggregate-form,.aggregate-result{border:1px solid rgba(207,220,209,.95);border-radius:34px;background:rgba(255,255,255,.96);box-shadow:var(--agg-shadow)}.aggregate-form{padding:30px}.aggregate-result{position:sticky;top:18px;padding:28px;overflow:hidden}.form-top,.result-top{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.form-top h2,.result-top h2{margin:0 0 8px;font-size:clamp(1.8rem,2.8vw,2.65rem)}.form-top p:not(.eyebrow){margin:0;color:var(--agg-muted);line-height:1.55}.live-badge{display:inline-flex;align-items:center;gap:7px;white-space:nowrap;padding:8px 11px;border-radius:999px;background:#edf8f2;color:#237355;font-size:.77rem;font-weight:900}.live-badge i{width:8px;height:8px;border-radius:50%;background:#42a777;box-shadow:0 0 0 5px rgba(66,167,119,.13)}.mode-switch{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:25px 0}.mode-button{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:12px;align-items:center;text-align:left;padding:17px;border:1px solid var(--agg-line);border-radius:22px;background:#f8faf7;color:var(--agg-ink);cursor:pointer;transition:.18s ease}.mode-button:hover{transform:translateY(-2px);border-color:#abc8b8}.mode-button.is-active{background:linear-gradient(145deg,#1d3a2f,#2d6a51);border-color:transparent;color:#fff;box-shadow:0 16px 34px rgba(30,78,58,.22)}.mode-number{display:grid;place-items:center;width:39px;height:39px;border-radius:13px;background:#e8f3ec;color:#2d7154;font-size:.77rem;font-weight:950}.mode-button.is-active .mode-number{background:rgba(255,255,255,.14);color:#fff}.mode-button>span:nth-child(2){min-width:0}.mode-button strong,.mode-button small{display:block}.mode-button strong{font-size:1rem}.mode-button small{margin-top:3px;color:#718078;font-weight:650}.mode-button.is-active small{color:rgba(255,255,255,.68)}.mode-button em{justify-self:end;align-self:start;padding:4px 7px;border-radius:999px;background:#f4ead9;color:#8b6530;font-style:normal;font-size:.62rem;font-weight:950;text-transform:uppercase;letter-spacing:.06em;white-space:nowrap}.mode-button.is-active em{background:rgba(255,255,255,.14);color:#fff}.calculation-panel[hidden],.advanced-result-panel[hidden],[data-delivery-fields][hidden],[data-bigbag-fields][hidden],[data-geotextile-fields][hidden],[data-work-fields][hidden],[data-excavation-fields][hidden],.area-fields[hidden],.dimensions-fields[hidden]{display:none!important}.mode-intro{display:grid;grid-template-columns:auto 1fr;gap:14px;padding:16px 18px;border-radius:20px;margin-bottom:24px}.mode-intro>span{align-self:start;padding:7px 9px;border-radius:999px;font-size:.67rem;font-weight:950;text-transform:uppercase}.mode-intro strong{display:block;margin-bottom:3px}.mode-intro p{margin:0;color:var(--agg-muted);font-size:.9rem;line-height:1.5}.mode-intro-basic{background:#eff8f2;border:1px solid rgba(50,122,92,.2)}.mode-intro-basic>span{background:#327a5c;color:#fff}.mode-intro-advanced{background:#f8f2e8;border:1px solid rgba(190,143,70,.22)}.mode-intro-advanced>span{background:#9a7136;color:#fff}.section-label{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:center;margin:24px 0 13px}.section-label>span{display:grid;place-items:center;width:34px;height:34px;border-radius:12px;background:#20382f;color:#fff;font-size:.75rem;font-weight:950}.section-label strong,.section-label small{display:block}.section-label small{margin-top:2px;color:var(--agg-muted)}fieldset{padding:0;margin:0;border:0}.purpose-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.purpose-card{position:relative}.purpose-card input{position:absolute;opacity:0;pointer-events:none}.purpose-card span{display:block;min-height:86px;padding:16px;border:1px solid var(--agg-line);border-radius:18px;background:#fff;cursor:pointer}.purpose-card b,.purpose-card small{display:block}.purpose-card small{margin-top:4px;color:var(--agg-muted)}.purpose-card input:checked+span{border-color:#3d8868;background:#eff8f2;box-shadow:inset 0 0 0 1px #3d8868}.measure-picker{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:13px}.choice-card{position:relative}.choice-card input{position:absolute;opacity:0;pointer-events:none}.choice-card span{display:block;padding:15px 16px;border:1px solid var(--agg-line);border-radius:18px;background:#fff;cursor:pointer}.choice-card b,.choice-card small{display:block}.choice-card small{margin-top:4px;color:var(--agg-muted)}.choice-card input:checked+span{border-color:#3d8868;background:#eff8f2;box-shadow:inset 0 0 0 1px #3d8868}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin-top:13px}.field{display:block}.field>span,.field>small{display:block}.field>span{margin-bottom:6px;font-weight:900;color:var(--agg-ink)}.field>small{margin:-3px 0 7px;color:var(--agg-muted);font-size:.77rem;line-height:1.35}.input-wrap,.select-wrap{display:flex;align-items:center;min-height:52px;border:1px solid var(--agg-line);border-radius:16px;background:#fff;overflow:hidden;transition:.15s ease}.input-wrap:focus-within,.select-wrap:focus-within{border-color:#4d9274;box-shadow:0 0 0 4px rgba(50,122,92,.1)}.input-wrap input,.select-wrap select,.layer-field input,.layer-field select{width:100%;border:0;outline:0;background:transparent;color:var(--agg-ink);font:inherit;font-weight:800}.input-wrap input{padding:13px 8px 13px 15px}.input-wrap em{padding-right:13px;color:#75827b;font-style:normal;font-size:.81rem;font-weight:850}.select-wrap select{padding:13px 38px 13px 15px}.field-wide{grid-column:1/-1}.reserve-row{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;padding:14px 15px;border:1px solid var(--agg-line);border-radius:18px;background:#fafbf9}.reserve-row input{width:100%;accent-color:#327a5c}.reserve-row output{min-width:56px;text-align:center;padding:7px 9px;border-radius:999px;background:#20382f;color:#fff;font-weight:900}.reserve-chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:9px}.reserve-chips button{padding:9px 12px;border:1px solid var(--agg-line);border-radius:999px;background:#fff;color:#4e6358;font-weight:850;cursor:pointer}.reserve-chips button.is-active{background:#20382f;color:#fff;border-color:#20382f}.basic-details{margin-top:18px;border:1px solid var(--agg-line);border-radius:20px;background:#fafbf9;overflow:hidden}.basic-details summary{cursor:pointer;padding:16px 18px;font-weight:900;color:#385346}.basic-details[open] summary{border-bottom:1px solid var(--agg-line)}.basic-details .advanced-fields{padding:3px 16px 17px}.form-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:23px}.form-actions .btn-link{border:0;background:transparent;color:#61736a;font-weight:850;cursor:pointer;padding:11px}.advanced-head{display:flex;justify-content:space-between;gap:15px;align-items:flex-end;margin:21px 0 14px}.advanced-head h3{margin:0;font-size:1.45rem}.advanced-head .eyebrow{margin-bottom:6px}.add-zone{padding:10px 14px;border:1px solid #abc8b8;border-radius:999px;background:#eff8f2;color:#276f53;font-weight:900;cursor:pointer}.layer-list{display:grid;gap:14px}.layer-card{padding:17px;border:1px solid var(--agg-line);border-radius:22px;background:linear-gradient(145deg,#fff,#f8faf7);box-shadow:0 10px 24px rgba(31,58,47,.05)}.layer-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:13px}.layer-title{display:flex;align-items:center;gap:10px;min-width:0}.layer-index{display:grid;place-items:center;width:34px;height:34px;border-radius:12px;background:#20382f;color:#fff;font-size:.7rem;font-weight:950}.layer-name{min-width:0;max-width:230px;border:0;border-bottom:1px dashed #aebcb3;background:transparent;color:var(--agg-ink);font:inherit;font-weight:900;padding:5px}.remove-layer{border:0;background:#faece8;color:#a34e3d;border-radius:999px;padding:8px 10px;font-weight:850;cursor:pointer}.layer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.layer-field{display:block;padding:10px 11px;border:1px solid #e0e8e1;border-radius:15px;background:#fff}.layer-field>span,.layer-field>small{display:block}.layer-field>span{margin-bottom:4px;color:#41594d;font-size:.73rem;font-weight:900}.layer-field>small{margin-top:3px;color:#7b8981;font-size:.67rem}.layer-field input,.layer-field select{min-height:30px}.layer-field-wide{grid-column:1/-1}.layer-technical{margin-top:10px;border-top:1px dashed #d3ddd5;padding-top:10px}.layer-technical summary{cursor:pointer;color:#496257;font-weight:850;font-size:.83rem}.technical-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin-top:10px}.advanced-block{margin-top:24px;padding:18px;border:1px solid var(--agg-line);border-radius:24px;background:#fafbf9}.advanced-block .advanced-head{margin-top:0}.feature-toggle-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.feature-toggle-row.three{grid-template-columns:repeat(3,1fr)}.feature-toggle{position:relative}.feature-toggle input{position:absolute;opacity:0}.feature-toggle span{display:block;min-height:78px;padding:14px;border:1px solid var(--agg-line);border-radius:17px;background:#fff;cursor:pointer}.feature-toggle b,.feature-toggle small{display:block}.feature-toggle small{margin-top:4px;color:var(--agg-muted)}.feature-toggle input:checked+span{border-color:#438568;background:#eff8f2;box-shadow:inset 0 0 0 1px #438568}
.result-top{align-items:center}.result-top h2{font-size:2rem}.result-top>span{padding:8px 10px;border-radius:999px;background:#edf4ef;color:#48675a;font-size:.74rem;font-weight:900}.result-main{margin-top:20px;padding:22px;border-radius:26px;background:radial-gradient(circle at 95% 5%,rgba(215,171,96,.55),transparent 33%),linear-gradient(145deg,#182f26,#285743 65%,#74552e);color:#fff;box-shadow:0 22px 46px rgba(28,62,47,.26)}.result-main-label{display:flex;justify-content:space-between;gap:12px;align-items:center;color:rgba(255,255,255,.72);font-size:.77rem;font-weight:850}.result-main-label b{padding:6px 8px;border-radius:999px;background:rgba(255,255,255,.13);color:#fff;font-size:.65rem;text-transform:uppercase}.result-main output{display:block;margin:8px 0 2px;color:#fff;font-size:clamp(3rem,6vw,4.65rem);line-height:.95;font-weight:950;letter-spacing:-.065em}.result-main>strong{display:block;color:#e9f8ee;font-size:1.04rem}.result-main p{margin:11px 0 16px;color:rgba(255,255,255,.72);line-height:1.55}.order-gauge{display:flex;height:10px;border-radius:999px;overflow:hidden;background:rgba(255,255,255,.13)}.order-gauge i{display:block;background:linear-gradient(90deg,#62c292,#9cddb8)}.order-gauge span{display:block;background:rgba(230,186,106,.88)}.gauge-legend{display:flex;justify-content:space-between;gap:12px;margin-top:8px;color:rgba(255,255,255,.69);font-size:.7rem}.gauge-legend b{color:#fff}.result-metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:16px}.result-metrics>div,.advanced-stat-grid>div{padding:14px;border:1px solid var(--agg-line);border-radius:18px;background:#fff}.result-metrics span,.advanced-stat-grid span{display:block;color:#74827a;font-size:.71rem;font-weight:800}.result-metrics strong,.advanced-stat-grid strong{display:block;margin-top:4px;color:var(--agg-ink);font-size:1.05rem}.result-metrics small{display:block;margin-top:2px;color:#87928c;font-size:.68rem}.material-summary{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:16px}.material-summary>div{padding:13px;border-radius:17px;background:#f4f7f2;border:1px solid #dde6de}.material-summary span,.material-summary small{display:block;color:#74837a;font-size:.69rem}.material-summary strong{display:block;margin:4px 0;color:#244638}.advanced-result-panel{margin-top:16px;padding:16px;border-radius:21px;background:#f7f1e6;border:1px solid rgba(184,137,68,.28)}.advanced-stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}.result-actions{display:flex;gap:9px;margin-top:16px}.result-actions button{flex:1;padding:11px;border-radius:14px;border:1px solid var(--agg-line);background:#fff;color:#28513f;font-weight:850;cursor:pointer}.result-insight{margin-top:16px;padding:15px 16px;border-radius:19px;border-left:4px solid #3c8b68;background:#eff8f3;color:#4d665a;line-height:1.5;font-size:.88rem}.result-insight strong{display:block;color:#234a38;margin-bottom:4px}.result-section{padding-top:22px;padding-bottom:26px}.section-head{margin-bottom:18px}.section-head h2{margin:0 0 8px;font-size:clamp(2rem,3.5vw,3.2rem)}.section-head p{margin:0;color:var(--agg-muted);line-height:1.65;max-width:880px}.scenario-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:11px}.scenario-card{padding:17px;border:1px solid var(--agg-line);border-radius:21px;background:#fff;box-shadow:0 10px 24px rgba(28,56,43,.05)}.scenario-card.is-current{border-color:#3e8b69;box-shadow:inset 0 0 0 1px #3e8b69}.scenario-card span,.scenario-card small{display:block;color:#74827b}.scenario-card strong{display:block;margin:5px 0;color:var(--agg-ink);font-size:1.15rem}.breakdown-wrap{overflow-x:auto;border:1px solid var(--agg-line);border-radius:22px;background:#fff}.breakdown-table{width:100%;border-collapse:collapse;min-width:700px}.breakdown-table th,.breakdown-table td{padding:14px 17px;text-align:left;border-bottom:1px solid #e5ece6}.breakdown-table th{background:#f2f6f1;color:#52685d;font-size:.75rem;text-transform:uppercase}.breakdown-table td{color:#496157}.breakdown-table td:first-child{font-weight:850;color:var(--agg-ink)}.cost-breakdown{display:grid;gap:9px}.cost-breakdown>div{display:flex;justify-content:space-between;gap:15px;padding:14px 16px;border:1px solid var(--agg-line);border-radius:16px;background:#fff}.cost-breakdown span{color:#60746a}.cost-breakdown strong{color:var(--agg-ink)}.empty-cost{padding:16px;border-radius:16px;background:#f5f7f4;color:#728078}
.aggregate-section{padding-top:56px;padding-bottom:56px}.aggregate-soft{background:linear-gradient(180deg,rgba(239,245,238,.72),rgba(247,249,246,.55));border-top:1px solid rgba(214,224,215,.7);border-bottom:1px solid rgba(214,224,215,.7)}.content-shell{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start}.content-article{padding:35px;border:1px solid var(--agg-line);border-radius:30px;background:#fff;box-shadow:0 18px 46px rgba(28,56,43,.07)}.content-article h2{margin:0 0 18px;font-size:clamp(2rem,3.4vw,3.2rem)}.content-article h3{margin:34px 0 12px;font-size:1.65rem}.content-article p,.content-article li{color:#566e62;line-height:1.8}.content-article strong{color:#274a39}.formula-box{margin:22px 0;padding:19px;border-radius:20px;background:linear-gradient(135deg,#eef8f1,#f7f0e5);border:1px solid #c4d9c9;color:#28503d;font:700 .9rem/1.8 ui-monospace,SFMono-Regular,Menlo,monospace}.content-aside{position:sticky;top:18px;display:grid;gap:12px}.content-aside a,.content-aside div{padding:18px;border:1px solid var(--agg-line);border-radius:20px;background:#fff;box-shadow:0 10px 30px rgba(28,55,43,.06)}.content-aside span,.content-aside small{display:block;color:#78867e;font-size:.74rem}.content-aside strong{display:block;margin:5px 0;color:#284b3b}.use-grid,.steps-grid,.example-grid,.source-grid,.mistake-grid,.faq-grid,.related-grid{display:grid;gap:14px}.use-grid{grid-template-columns:repeat(4,1fr)}.use-grid article,.steps-grid article,.mistake-grid article{padding:22px;border:1px solid var(--agg-line);border-radius:23px;background:#fff;box-shadow:0 12px 30px rgba(28,55,43,.055)}.use-grid span,.steps-grid span{display:inline-grid;place-items:center;min-width:42px;height:38px;padding:0 10px;border-radius:13px;background:#20382f;color:#fff;font-weight:950}.use-grid h3,.steps-grid h3{margin:14px 0 8px;font-size:1.25rem}.use-grid p,.steps-grid p,.mistake-grid p{margin:0;color:#5a7165;line-height:1.65}.notice-box{margin-top:17px;padding:20px 22px;border-radius:22px;background:#f7f0e5;border:1px solid rgba(184,137,68,.26)}.notice-box strong{color:#755429}.notice-box p{margin:6px 0 0;color:#6c6659;line-height:1.65}.steps-grid{grid-template-columns:repeat(4,1fr)}.example-grid{grid-template-columns:repeat(3,1fr)}.example-card{padding:23px;border:1px solid var(--agg-line);border-radius:24px;background:#fff;box-shadow:0 14px 36px rgba(28,55,43,.06)}.example-card h3{margin:8px 0 9px;font-size:1.28rem}.example-card p{margin:0;color:#5c7267;line-height:1.68}.example-card>span{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:13px;background:#20382f;color:#fff;font-weight:950}.source-grid{grid-template-columns:repeat(3,1fr)}.source-grid a{padding:21px;border:1px solid var(--agg-line);border-radius:22px;background:#fff;box-shadow:0 12px 30px rgba(28,55,43,.06)}.source-grid span,.source-grid small{display:block;color:#75847c;font-size:.74rem}.source-grid strong{display:block;margin:6px 0;color:#274a39}.review-note{margin-top:14px;color:#667a70}.mistake-grid{grid-template-columns:repeat(3,1fr)}.mistake-grid strong{display:block;color:#274a39;margin-bottom:7px}.faq-grid{grid-template-columns:repeat(2,1fr)}.faq-grid details{border:1px solid var(--agg-line);border-radius:20px;background:#fff;overflow:hidden}.faq-grid summary{position:relative;cursor:pointer;list-style:none;padding:18px 54px 18px 19px;color:var(--agg-ink);font-weight:900}.faq-grid summary::-webkit-details-marker{display:none}.faq-grid summary::after{content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#edf5ef;color:#2c7355}.faq-grid details[open] summary::after{content:"–"}.faq-grid p{margin:0;padding:0 19px 19px;color:#5a7165;line-height:1.66}.related-grid{grid-template-columns:repeat(5,1fr)}.related-card{padding:19px;border:1px solid var(--agg-line);border-radius:22px;background:#fff;box-shadow:0 12px 30px rgba(28,55,43,.06);transition:.18s ease}.related-card:hover{transform:translateY(-4px)}.related-card>span{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#edf7f1;color:#2d7355;font-weight:950}.related-card strong,.related-card small{display:block}.related-card strong{margin:10px 0 5px;color:var(--agg-ink)}.related-card small{color:#708078;line-height:1.45}.footer{margin-top:55px;padding:52px 0 22px;background:linear-gradient(145deg,#12271f,#203d31);color:#fff}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:28px;align-items:start}.footer img{display:block;width:190px;max-width:100%;height:auto;margin-bottom:14px}.footer p{margin:12px 0 0;color:rgba(255,255,255,.64);line-height:1.6}.footer h3{margin:0 0 12px;color:#fff;font-size:14px}.footer-links{display:grid;gap:8px}.footer-links a{display:block;color:rgba(255,255,255,.72);font-size:12px;font-weight:700;line-height:1.45}.footer-links a:hover{color:#fff}.footer-bottom{margin-top:30px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12)}.footer-bottom p{margin:0;font-size:11px}
@media(max-width:1100px){.aggregate-hero-grid,.aggregate-work,.content-shell{grid-template-columns:1fr}.aggregate-visual{max-width:690px}.aggregate-result{position:relative;top:auto}.use-grid,.steps-grid{grid-template-columns:repeat(2,1fr)}.related-grid{grid-template-columns:repeat(3,1fr)}.source-grid{grid-template-columns:1fr 1fr}.content-aside{position:relative;top:auto;grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.aggregate-hero{padding:22px 0 20px}.breadcrumb{display:none}.aggregate-hero-grid{gap:22px}.aggregate-hero-copy h1{font-size:clamp(2.35rem,11vw,3.55rem)}.lead-desktop,.aggregate-visual,.anchor-nav{display:none}.lead-mobile{display:inline}.aggregate-hero-copy .lead{font-size:1rem;line-height:1.58}.hero-actions .btn-secondary{display:none}.aggregate-trust{display:none}.aggregate-trust span{text-align:center;font-size:.72rem;padding:8px}.aggregate-work{padding-top:22px}.aggregate-form,.aggregate-result{padding:18px;border-radius:25px}.form-top{display:block}.live-badge{margin-top:10px}.mode-switch{grid-template-columns:1fr}.mode-button{grid-template-columns:auto minmax(0,1fr);padding:14px}.mode-button em{grid-column:2;justify-self:start;margin-top:5px}.purpose-grid,.measure-picker,.field-grid,.feature-toggle-row,.feature-toggle-row.three,.result-metrics,.advanced-stat-grid,.material-summary,.faq-grid,.source-grid,.example-grid,.content-aside,.mistake-grid{grid-template-columns:1fr}.layer-grid,.technical-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.layer-field-wide{grid-column:1/-1}.scenario-grid{grid-template-columns:1fr 1fr}.related-grid{grid-template-columns:1fr 1fr}.result-main{padding:18px}.result-main output{font-size:3.2rem}.aggregate-section{padding-top:40px;padding-bottom:40px}.content-article{padding:22px;border-radius:24px}.content-article h3{font-size:1.4rem}.section-head h2{font-size:2rem}.form-actions{display:grid}.form-actions button{width:100%}.result-actions{display:grid}.result-top{display:block}.result-top>span{display:inline-flex;margin-top:6px}.field-wide{grid-column:auto}.use-grid,.steps-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer{padding-top:38px}}
@media(max-width:420px){.layer-grid,.technical-grid,.scenario-grid,.related-grid{grid-template-columns:1fr}.aggregate-form,.aggregate-result{padding:15px}.aggregate-hero-copy h1{font-size:2.28rem}.result-main-label{display:block}.result-main-label b{display:inline-flex;margin-top:6px}.layer-title{align-items:flex-start}.layer-name{max-width:160px}}
@media print{.site-header,.aggregate-hero,.anchor-nav,.aggregate-form,.result-actions,.aggregate-section,.footer{display:none!important}.aggregate-work{display:block;padding:0}.aggregate-result{box-shadow:none;border:0;position:static}.advanced-result-panel[hidden]{display:block!important}}

/* 2026-07-14: clean separation of anchor navigation and calculator stage */
@media (min-width:761px){
  .anchor-nav{
    position:sticky;
    top:76px;
    z-index:70;
    margin:0;
    padding:0;
    border-top:1px solid rgba(210,222,213,.72);
    border-bottom:1px solid rgba(210,222,213,.9);
    background:rgba(249,251,248,.94);
    backdrop-filter:blur(16px);
    box-shadow:0 8px 22px rgba(28,54,43,.04);
  }
  .anchor-scroll{
    display:flex;
    justify-content:center;
    width:auto;
    max-width:none;
    gap:8px;
    overflow-x:auto;
    margin:0 auto;
    padding:12px 0;
    border:0;
    border-radius:0;
    background:transparent;
    box-shadow:none;
  }
  .anchor-scroll a{
    padding:9px 14px;
    border:1px solid transparent;
    border-radius:10px;
    background:transparent;
    color:#536a60;
    font-size:.82rem;
    font-weight:900;
    box-shadow:none;
  }
  .anchor-scroll a:hover{
    border-color:#d6e3d9;
    background:#fff;
    color:var(--agg-ink);
    box-shadow:0 7px 18px rgba(28,54,43,.055);
  }
  .aggregate-work{
    display:grid;
    grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);
    gap:24px;
    align-items:start;
    margin-top:36px;
    margin-bottom:48px;
    padding-top:0;
    padding-bottom:0;
    scroll-margin-top:150px;
  }
  .aggregate-form,.aggregate-result{
    border:1px solid rgba(207,220,209,.96);
    border-radius:32px;
    background:#fff;
    box-shadow:0 24px 64px rgba(28,55,43,.105);
  }
  .aggregate-form{padding:32px}
  .aggregate-result{top:148px;padding:28px}
}

@media (max-width:760px){
  .aggregate-work{
    width:calc(100% - 24px);
    margin-top:20px;
    margin-bottom:30px;
    padding-top:0;
    padding-bottom:0;
    gap:16px;
  }
  .aggregate-form,.aggregate-result{
    border-radius:24px;
    box-shadow:0 18px 44px rgba(28,55,43,.095);
  }
}

/* 2026-07-14: definitive separation between section navigation and calculator */
@media (min-width:761px){
  body.aggregate-pro .anchor-nav{
    position:sticky!important;
    top:76px!important;
    z-index:70!important;
    margin:0!important;
    padding:0!important;
    border-top:1px solid rgba(210,222,213,.78)!important;
    border-bottom:1px solid rgba(210,222,213,.92)!important;
    background:rgba(249,251,248,.96)!important;
    box-shadow:0 8px 20px rgba(28,54,43,.035)!important;
    backdrop-filter:blur(16px)!important;
  }
  body.aggregate-pro .anchor-scroll{
    display:flex!important;
    justify-content:flex-start!important;
    width:min(100% - 32px,1240px)!important;
    max-width:none!important;
    gap:2px!important;
    margin:0 auto!important;
    padding:10px 0!important;
    border:0!important;
    border-radius:0!important;
    background:transparent!important;
    box-shadow:none!important;
  }
  body.aggregate-pro .anchor-scroll a{
    flex:0 0 auto!important;
    padding:9px 13px!important;
    border:0!important;
    border-radius:8px!important;
    background:transparent!important;
    color:#586c61!important;
    font-size:.8rem!important;
    font-weight:900!important;
    box-shadow:none!important;
  }
  body.aggregate-pro .anchor-scroll a:hover{
    background:#fff!important;
    color:var(--agg-ink)!important;
    box-shadow:0 7px 17px rgba(28,54,43,.06)!important;
  }
  body.aggregate-pro .aggregate-work{
    display:grid!important;
    grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr)!important;
    gap:28px!important;
    align-items:start!important;
    margin:0 auto 52px!important;
    padding-top:48px!important;
    padding-bottom:0!important;
    scroll-margin-top:150px!important;
  }
  body.aggregate-pro .aggregate-form,
  body.aggregate-pro .aggregate-result{
    border:1px solid rgba(207,220,209,.96)!important;
    border-radius:32px!important;
    background:#fff!important;
    box-shadow:0 24px 64px rgba(28,55,43,.105)!important;
  }
  body.aggregate-pro .aggregate-form{padding:32px!important}
  body.aggregate-pro .aggregate-result{top:148px!important;padding:28px!important}
}